======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '111'
                                          'artist'  'Jerry Lee Lewis'
                                     'text_people'  ''
                                         'release'  'Stand By Me Soundtrack'
                                           'title'  'Great Balls Of Fire'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['oldies', 'rock n roll', 'rock and roll', 'rockabilly', '50s', 'classic "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '108.3'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

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'PRIV:PeakValue:¬k\x00\x00'                         PRIV(owner='PeakValue', data=b'\xack\x00\x00')
'TALB' (Album/Movie/Show title)                     'Stand By Me Soundtrack'
'TBPM' (BPM (beats per minute))                     '108.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'Great Balls Of Fire'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '112091'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Jerry Lee Lewis'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'rock n roll', 'rock and roll', 'rockabilly', '50s', 'classic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.594824'

========================== row from database ==========================
                                              'id'  1529812
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/DSA/Jerry Lee Lewis - Great Balls of Fire.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  111
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  1343529
                                           'mtime'  1620569082
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s DSA of electronic we disco or italo
                                      'tag_artist'  Jerry Lee Lewis
                                     'tag_release'  Stand By Me Soundtrack
                                       'tag_title'  Great Balls Of Fire
                                             'bpm'  108.3
                                    'search_title'  'balls':2 'fire':4 'great':1 'of':3
                                   'search_artist'  'jerry':1 'lee':2 'lewis':3
                                  'search_release'  'by':2 'me':3 'soundtrack':4 'stand':1
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'disco':2 'dsa':7 'electronic':9 'italo':12 'of':8 'or':11 's':4,6 'we':10
                                    'search_combo'  '00poprockelectronic':12 '70':14 '80':16 'balls':2A 'by':9C 'disco':13 'dsa':18 'electronic':20 'fire':4A 'great':1A 'italo':23 'jerry':5B 'lee':6B 'lewis':7B 'me':10C 'of':3A,19 'or':22 's':15,17 'soundtrack':11C 'stand':8C 'we':21
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'rock n roll', 'rock and roll', 'rockabilly', '50s', 'classic rock']
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569082.1309261  (2021-05-09 16:04:42)
                             'size'  1343529